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Found in [Package]
1.2.4 - Entities
1.3.9 - Entities
Issue ID
ECSB-1519
Regression
No
"InvalidProgramException: Couldn't find system $XREarlyUpdateSystemGroup in World" is thrown when appending Systems to the PlayerLoop and it breaks the System's Editor window
How to reproduce:
1. Open the attached project "CustomTopLevelSystemGroup.zip"
2. Open Assets/Scripts/ApplicationBootstrap.cs
3. Change "#define EXAMPLE_A" to "#define EXAMPLE_B" on line 1
4. Open Window>Entities>Systems in the Editor
5. Enter Play Mode
Expected results: No errors are thrown
Actual results: "InvalidProgramException: Couldn't find system $XREarlyUpdateSystemGroup in World" is thrown
Reproducible with: 1.2.4 (6000.0.22f1), 1.3.9 (6000.0.37f1)
Reproducible on: Windows 10 22H2
Not reproducible on: No other environment tested
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Resolution Note:
The Systems Window will now search for and display ECS systems and system groups anywhere in the player loop, not just the three default system groups.